Coal-Water-Slurry Autoignition in a High-Speed Detroit Diesel Engine

Paper #:
  • 941907

Published:
  • 1994-10-01
Citation:
Schwalb, J., Ryan, T., Kakwani, R., and Winsor, R., "Coal-Water-Slurry Autoignition in a High-Speed Detroit Diesel Engine," SAE Technical Paper 941907, 1994, https://doi.org/10.4271/941907.
Pages:
12
Abstract:
Autoignition of coal-water-slurry (CWS) fuel in a two-stroke engine operating at 1900 RPM has been achieved. A Pump-Line-Nozzle (PLN) injection system, delivering 400mm3/injection of CWS, was installed in one modified cylinder of a Detroit Diesel Corporation (DI)C) 8V-149TI engine, while the other seven cylinders remained configured for diesel fuel. Coal Combustion was sustained by maintaining high gas and surface temperatures with a combination of hot residual gases, warm inlet air admission, ceramic insulated components and increased compression ratio. The coal-fueled cylinder generated 85kW indicated power (80 percent of rated power), and lower NOx levels with a combustion efficiency of 99.2 percent.
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